Convector heater



FIG. 1 is a top-right perspective view of a convector heater in accordance with our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view of a side portion thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof. 

CLAIM The ornamental design for a convector heater, as shown and described. 